4905278137 has 2 divisors, whose sum is σ = 4905278138. Its totient is φ = 4905278136.

The previous prime is 4905278129. The next prime is 4905278159. The reversal of 4905278137 is 7318725094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4369077801 + 536200336 = 66099^2 + 23156^2 .

It is a cyclic number.

It is not a de Polignac number, because 4905278137 - 2³ = 4905278129 is a prime.

It is not a weakly prime, because it can be changed into another prime (4905278197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2452639068 + 2452639069.

It is an arithmetic number, because the mean of its divisors is an integer number (2452639069).

Almost surely, 2^4905278137 is an apocalyptic number.

It is an amenable number.

4905278137 is a deficient number, since it is larger than the sum of its proper divisors (1).

4905278137 is an equidigital number, since it uses as much as digits as its factorization.

4905278137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 4905278137 is about 70037.6908314373. The cubic root of 4905278137 is about 1699.1088913411.

The spelling of 4905278137 in words is "four billion, nine hundred five million, two hundred seventy-eight thousand, one hundred thirty-seven".